#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
#include <string.h>
#include <assert.h>

int main()
{
	int arr1[] = { 1,2,3,4,5,6,7 };
	int arr2[] = { 1,2,3,4,8,8,8 };
	int ret = memcmp(arr1, arr2, 20);
	printf("%d\n", ret);

	return 0;
}
